CVE-2007-3819
Opera 9.21 allows remote attackers to spoof the data: URI scheme in the address bar via a long URI with trailing whitespace, which prevents the beginning of the URI from being displayed.
Date published : 2007-07-16
http://www.securityfocus.com/bid/24917
http://www.securityfocus.com/archive/1/473703/100/0/threaded